| 玉米堆摩擦角的测定与研究 |
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| 引用本文： | 唐福元,严晓婕,冯家畅,程绪铎.玉米堆摩擦角的测定与研究[J].粮食储藏,2014(3):39-42. |
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| 作者姓名： | 唐福元 严晓婕 冯家畅 程绪铎 |
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| 作者单位： | 南京财经大学食品科学与工程学院,210003 |
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| 基金项目： | 江苏省农业科技自主创新资金项目（CX（13）4021） |
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| 摘 要： | 利用直剪仪对玉米(水分率为11.05%、12.34%、16.72%、17.57%w.b)的内摩擦角进行了实验测定与分析。结果表明:玉米的内摩擦角变化范围是22.81°~35.20°,玉米的内摩擦角随剪切速度的增加而减小,随法向压应力的增加而减小,随水分的增加而增加。
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| 关 键 词： | 玉米堆 内摩擦角 剪切速度 法向压应力 含水率 |
EXPERIMENTAL RESEARCH ON THE ANGLE OF INTERNAL FRICTION OF CORN PILE |
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| Tang Fuyuan Yan Xaojie Feng Jiachang Cheng Xuduo.EXPERIMENTAL RESEARCH ON THE ANGLE OF INTERNAL FRICTION OF CORN PILE[J].Grain Storage,2014(3):39-42. |
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| Authors: | Tang Fuyuan Yan Xaojie Feng Jiachang Cheng Xuduo |
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| Institution: | Tang Fuyuan Yan Xaojie Feng Jiachang Cheng Xuduo (College of Food Science and Engineering, Nanjing University of Finance and Economics 210003) |
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| Abstract: | In this paper, the angle of internal friction of corn pile （They are produced in Nanjing in 2013. The moisture contents are 11.05%, 12.34%, 16.72% and 17.57% w. b） were measured and analyzed. The experimental results showed that the angle of internal friction of corn pile range from 22.81° to 35.20°, the angle of internal friction of corn pile decrease with the increase of normal stress and shear velocity, but in- crease with moisture content increasing. |
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| Keywords: | corn pile angle of internal friction shear velocity normal stress moisture content |
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